The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 1990
Filed:
Mar. 14, 1989
Applicant:
Inventors:
Nobuaki Inoue, Kanagawa, JP;
Senzo Sasaoka, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430264 ; 430567 ; 430603 ; 430605 ; 430949 ;
Abstract
A silver halide photographic material is disclosed, which comprises a support having provided thereon at least one silver halide emulsion layer and which contains a hydrazine derivative in the emulsion layer or other hydrophilic colloidal layer, the emulsion layer containing two kinds of monodispersed silver halide grains different from each other in mean grain size, and the smaller sized monodispersed silver halide grains being chemically sensitized. An image-forming method using this photographic material is also disclosed.